v1.8.0

• @opentelemetry/sdk-metrics has been promoted to stable
• @opentelemetry/api-metrics has been merged into @opentelemetry/api and deprecated

💥 Breaking Change

• feat(api): merge api-metrics into api #3374 @legendecas

🚀 (Enhancement)

• feat(sdk-trace): re-export sdk-trace-base in sdk-trace-node and web #3319 @legendecas
• feat: enable tree shaking #3329 @pkanal

🐛 (Bug Fix)

• fix(sdk-trace): enforce consistent span durations
  #3327 @dyladan
• fix(resources): fix EnvDetector throwing errors when attribute values contain spaces
  #3295
• fix(trace): fix an issue which caused negative span durations in web based spans
  #3359 @dyladan
• fix(resources): strict OTEL_RESOURCE_ATTRIBUTES baggage octet decoding
  #3341 @legendecas

📚 (Refine Doc)

• docs(api): fix counter negative value wording #3396 @legendecas

🏠 (Internal)

• ci: run browser tests without circle #3328 @dyladan